Lucas Oil 10279 Engine Oil Stop Leak - 1 Quart

Lucas Oil 10279 Engine Oil Stop Leak is a unique formulation of Lucas additives and premium base stocks specifically designed to stop seal leaks in engines. This versatile product serves as both a leak stopper and an exceptional performance additive for high-mileage and worn engines.

Key Benefits:

• Stops seal leaks in engines, automatic transmissions, and hydraulic systems
• Reduces engine noise and oil consumption in worn engines
• Raises oil pressure by filling spaces between worn components
• Extends engine oil life by 50% or more
• Contains no harmful solvents - safe for seals and gaskets
• Effective at stopping valve seal leaks that cause white smoke on startup

Application:

• For engines: Use 20% of system capacity (1 quart per 4 quarts of motor oil)
• For transmissions and hydraulic systems: 10% is typically adequate, increase for severely worn units
• Allow several days for product to fully condition seals and stop leaks
• Add with each oil change to maintain seal conditioning

This product works by conditioning and softening hardened seals, allowing them to expand and seal properly. It's particularly effective for high-mileage engines showing signs of worn valve seals, such as white smoke upon cold start. Lucas Engine Oil Stop Leak provides a cost-effective alternative to expensive seal replacement while improving overall engine performance.